m_librarian/web/app.py

   1 # -*- coding: utf-8 -*-
   2
   3 import os
   4
   5 from sqlobject.sqlbuilder import CONCAT
   6 from bottle import cheetah_view, redirect, request, route, static_file
   7
   8 from m_librarian.config import get_config
   9 from m_librarian.db import Author, Book
  10 from m_librarian.download import download
  11 from m_librarian.search import search_authors, search_books
  12
  13
  14 @route('/')
  15 @cheetah_view('index.tmpl')
  16 def index():
  17     return {
  18         'get_config': get_config,
  19     }
  20
  21
  22 @route('/search_authors', method='GET')
  23 def _search_authors():
  24     return redirect('/search_authors/')
  25
  26
  27 @route('/search_authors/', method='GET')
  28 @cheetah_view('search_authors.tmpl')
  29 def search_authors_get():
  30     return {}
  31
  32
  33 def decode(value):
  34     if isinstance(value, bytes):
  35         return value.decode('utf-8')
  36     return value
  37
  38
  39 def _guess_case_sensitivity(value):
  40     return not value.islower()
  41
  42
  43 @route('/search_authors/', method='POST')
  44 @cheetah_view('list_authors.tmpl')
  45 def search_authors_post():
  46     value = request.forms.get('search_authors')
  47     if not value:
  48         return redirect('/search_authors/')
  49     value = decode(value)
  50     search_type = request.forms.get('search_type')
  51     if not search_type:
  52         search_type = 'start'
  53     case_sensitive = request.forms.get('case_sensitive')
  54     if case_sensitive is None:
  55         case_sensitive = _guess_case_sensitivity(value)
  56     expressions = [(
  57         CONCAT(Author.q.surname, ' ', Author.q.name, ' ', Author.q.misc_name),
  58         decode(value)
  59     )]
  60     authors = search_authors(search_type, case_sensitive, {}, expressions,
  61                              orderBy=('surname', 'name', 'misc_name'))
  62     return {
  63         'authors': list(authors),
  64         'search_authors': value,
  65         'search_type': search_type,
  66         'case_sensitive': case_sensitive,
  67     }
  68
  69
  70 @route('/books-by-author/<id:int>/', method='GET')
  71 @cheetah_view('books_by_author.tmpl')
  72 def books_by_author(id):
  73     use_filters = get_config().getint('filters', 'use_in_books_list', 1)
  74     if use_filters:
  75         join_expressions = []
  76         join_expressions.append(Book.j.authors)
  77         join_expressions.append(Author.q.id == id)
  78         books = search_books('full', None, {}, join_expressions,
  79                              orderBy=('series', 'ser_no', 'title'),
  80                              use_filters=use_filters)
  81         return {
  82             'author': Author.get(id),
  83             'books': books,
  84         }
  85     else:
  86         return {
  87             'author': Author.get(id),
  88             'books': Book.select(
  89                 Book.j.authors & (Author.q.id == id),
  90                 orderBy=['series', 'ser_no', 'title'],
  91             )
  92         }
  93
  94
  95 @route('/static/<filename:path>')
  96 def send_static(filename):
  97     return static_file(
  98         filename, root=os.path.join(
  99             os.path.dirname(__file__),
 100             'static'
 101         )
 102     )
 103
 104
 105 @route('/download/', method='POST')
 106 @cheetah_view('download.tmpl')
 107 def download_books():
 108     books_ids = request.forms.getall('books')
 109     download_path = get_config().getpath('download', 'path')
 110     if books_ids:
 111         for id in books_ids:
 112             book = Book.get(int(id))
 113             download(book, download_path)
 114         return {
 115             'message': u'Книги сохранены.',
 116         }
 117     else:
 118         return {
 119             'message': u'Не выбрано книг для сохранения.',
 120         }
 121
 122
 123 @route('/search_books', method='GET')
 124 def _search_books():
 125     return redirect('/search_books/')
 126
 127
 128 @route('/search_books/', method='GET')
 129 @cheetah_view('search_books.tmpl')
 130 def search_books_get():
 131     return {
 132         'get_config': get_config,
 133     }
 134
 135
 136 @route('/search_books/', method='POST')
 137 @cheetah_view('list_books.tmpl')
 138 def search_books_post():
 139     value = request.forms.get('search_books')
 140     if not value:
 141         return redirect('/search_books/')
 142     value = decode(value)
 143     search_type = request.forms.get('search_type')
 144     if not search_type:
 145         search_type = 'start'
 146     case_sensitive = request.forms.get('case_sensitive')
 147     if case_sensitive is None:
 148         case_sensitive = _guess_case_sensitivity(value)
 149     use_filters = request.forms.get('use_filters')
 150     books = search_books(search_type, case_sensitive, {'title': value}, None,
 151                          orderBy=('title',), use_filters=use_filters)
 152     books_by_authors = {}
 153     for book in books:
 154         author = book.authors[0].fullname
 155         if author in books_by_authors:
 156             books_by_author = books_by_authors[author]
 157         else:
 158             books_by_author = books_by_authors[author] = []
 159         books_by_author.append(book)
 160     return {
 161         'books_by_author': books_by_authors,
 162         'search_books': value,
 163         'search_type': search_type,
 164         'case_sensitive': case_sensitive,
 165     }